Finding the Third Proportional to 138,548 and 303,016

Step by Step Solution

1. Step 1: Write the proportion equation
   138,548 : 303,016 = 303,016 : x
2. Step 2: Convert to fraction form
   138,548/303,016 = 303,016/x
3. Step 3: Cross multiply
   138,548x = 303,016 × 303,016
4. Step 4: Simplify right side
   138,548x = 91,818,696,256
5. Step 5: Solve for x
   x = 91,818,696,256/138,548
6. Step 6: Final answer
   x = 662,721.20